M28W320FSB Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Fabricante
M28W320FSB
STMicroelectronics
M28W320FSB Datasheet PDF : 55 Pages
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M28W320FST, M28W320FSB, M28W640FST, M28W640FSB
Table 5. Commands
Bus Write Operations
Commands
1st Cycle
2nd Cycle
3rd Cycle
4th Cycle
5th Cycle
Op. Add Data Op. Add Data Op. Add Data Op. Add Data Op. Add Data
Read Memory
Array
1+ Write X FFh Read RA RD
Read Status
Register
1+ Write X 70h Read X SRD
Read Electronic
Signature
1+ Write X
90h Read SA(2) IDh
Read CFI Query 1+ Write X 98h Read QA QD
Erase
2 Write X 20h Write BA D0h
Program
2 Write
X
40h or
10h
Write
PA
PD
Double Word
Program(3)
3 Write X 30h Write PA1 PD1 Write PA2 PD2
Quadruple Word
Program(4)
5 Write X
56h Write PA1 PD1 Write PA2 PD2 Write PA3 PD3 Write PA4 PD4
Clear Status
Register
1 Write X 50h
Program/Erase
Suspend
1 Write X B0h
Program/Erase
Resume
1 Write X D0h
Protection
Register Program
2
Write
X
C0h Write PRA PRD
Note: 1. X = Don't Care, RA=Read Address, RD=Read Data, SRD=Status Register Data, ID=Identifier (Manufacture and Device Code),
QA=Query Address, QD=Query Data, BA=Block Address, PA=Program Address, PD=Program Data, PRA=Protection Register Ad-
dress, PRD=Protection Register Data.
2. The signature addresses are listed in Tables 6 and 7.
3. Program Addresses 1 and 2 must be consecutive Addresses differing only for A0.
4. Program Addresses 1,2,3 and 4 must be consecutive Addresses differing only for A0 and A1.
Table 6. Read Electronic Signature
Code
Device
E
G
W
A0
A1
A2-A7
A8-A20
A8-A21(2)
DQ0-DQ7
Manufacture
Code
VIL VIL VIH VIL VIL
0
Don't Care
20h
M28W320FST VIL VIL VIH VIH VIL
0
Don't Care
0Ah
M28W320FSB VIL VIL VIH VIH VIL
0
Don't Care
0Bh
Device Code
M28W640FST VIL VIL VIH VIH VIL
0
Don't Care
58h
M28W640FSB VIL VIL VIH VIH VIL
0
Don't Care
59h
Note: 1. RP = VIH.
2. Addresses range from A0 to A20 for the M28W320FS and from A0 to A21 for the M29W640FS.
DQ8-DQ15
00h
88h
88h
88h
88h
16/55
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